91
EN-US
Technical Data
Special Voltage For devices designed for special voltages, the technical data on the rating plate applies.
TT170 /EF,
TT170 /np
Grid voltage U
1
1 x 230 V
Mains voltage tolerance - 30% / +15%
Grid frequency 50 / 60 Hz
Mains fuse protection 16 A slow-blow
Grid connection
1)
Z
max
at PCC
3)
= 356 MOhm
Primary continuous power (100% D.C.
2)
) 2.7 kVA
Max. apparent power S
1max
3.5 kVA
Cos phi 0.99
Welding current range
TIG 3 - 170 A
Rod electrode 10 - 150 A
Welding current at 10 min / 40 °C (104 °F),
U
1
= 230 V
TIG 40% D.C.
2)
/ 170 A
60% D.C.
2)
/ 155 A
100% D.C.
2)
/ 140 A
Rod electrode 40% D.C.
2)
/ 150 A
60% D.C.
2)
/ 120 A
100% D.C.
2)
/ 110 A
Open circuit voltage (pulsed)
TIG 35 V
Rod electrode 101 V
Working voltage
TIG 10.1 - 16.8 V
Rod electrode 20.4 - 26.0 V
Striking voltage U
p
9.0 kV
The arc ignition device is suitable for manu-
al operation
Degree of protection IP 23
Type of cooling AF
Insulation class A
EMC device class (according to EN/IEC
60974-10)
A
Overvoltage category III
Pollution degree according to IEC60664 3
Ambient temperature -10 °C - +40 °C / +14 °F - +104 °F
Storage temperature -25 °C - +55 °C / -13 °F - +131 °F
Dimensions l x w x h 435 x 160 x 310 mm / 17.1 x 6.3 x 12.2 in.
Weight 9.8 kg / 21.61 lb.
Marks of conformity CE
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